Answers: 1
Geography, 23.06.2019 00:10, Armendariz1
Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before
Answers: 1
6 and 8 5 and 8 What set of angles below are vertical angles?...
Biology, 23.06.2021 23:00